<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="dialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table border stripe :data="userlist" style="width: 100%">
        <el-table-column label="#" type="index"> </el-table-column>
        <el-table-column prop="username" label="姓名" width="180">
        </el-table-column>
        <el-table-column prop="email" label="邮箱" width="200">
        </el-table-column>
        <el-table-column prop="mobile" label="电话"> </el-table-column>
        <el-table-column prop="role_name" label="角色"> </el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch
          ></template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              circle
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              circle
              @click="open(scope.row.id)"
            ></el-button>
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                circle
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 页码区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!-- 添加用户对话框 -->
    <el-dialog title="添加用户" :visible.sync="dialogVisible" width="50%"
    @close="addDialogClosed">
      <!-- 内容主题区 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser"
          >确 定</el-button
        >
      </span>
    </el-dialog>

    <!-- 修改用户数据对话框 -->
    <el-dialog title="修改用户信息" :visible.sync="dialogVisible1" width="50%"
    @close="editDialogClosed">
      <!-- 内容主题区 -->
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible1 = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo"
          >确 定</el-button
        >
      </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog
  title="分配角色"
  :visible.sync="dialogVisible2"
  width="50%"
  @close="setRoleDialog"
  >
  <div>
    <p>当前用户:{{userInfo.username}}</p>
       <p>当前角色:{{userInfo.role_name}}</p>
       <div>
           <el-select v-model="selectedRoleId" placeholder="请选择">
    <el-option
      v-for="item in rolesList"
      :key="item.id"
      :label="item.roleName"
      :value="item.id"
      >
    </el-option>
  </el-select>
       </div>
  </div>
  <span slot="footer" class="dialog-footer">
    <el-button @click="dialogVisible2 = false">取 消</el-button>
    <el-button type="primary" @click="savaRoleInfo">确 定</el-button>
  </span>
</el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    //验证邮箱的规则
      var checkEmail = (rule,value,cb) =>{
          const regEmail =/^([a-zA-Z0-9]+[-_.]?)+@[a-zA-Z0-9]+.[a-z]+$/;
          if(value==''||value==undefined||value==null){
    cb();
  }else{
    if (!regEmail.test(value)){
      cb(new Error('请输入正确的邮箱'));
    } else {
      cb();
    }
  }
      }
       //验证手机的规则
      var checkMobile = (rule,value,cb) =>{
        const regMobile =/^[1][3-9][0-9]{9}$/;
         if (value == '' || value == undefined || value == null) {
    cb();
  } else {
    if ((!regMobile.test(value)) && value != '') {
      cb(new Error('请输入正确的电话号码'));
    } else {
      cb();
    }
  }}
     
    return {
      // 下拉框选中角色id
      selectedRoleId:'',
      //角色列表数据
      rolesList:[],
      //需要被分配角色的用户信息
      userInfo:{},
      dialogVisible2:false,
      //编辑用户对象
      editForm:{},
      //获取用户列表的参数对象
      queryInfo: {
        query: "",
        //当前页数
        pagenum: 1,
         //当前每页显示多少 条数据
        pagesize: 2,
      },
      userlist: [],
      total: 0,
      // 添加用户对话框元素
      dialogVisible:false,
       // 修改用户数据元素
      dialogVisible1:false,
      //添加用户表单
      addForm:{
        username:'',
        password:'',
        email:'',
        mobile:''
      },
       //添加用户表单规则对象
      addFormRules:{
        username:[
           { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入登录密码", trigger: "blur" },
          {
            min: 6,
            max: 12,
            message: "长度在 6 到 12 个字符",
            trigger: "blur",
          },
        ],
        email:[
           { required: true, message: "请输入邮箱", trigger: "blur" },
           {validator: checkEmail,trigger: "blur"}
        ],
         mobile:[
           { required: true, message: "请输入正确的手机号", trigger: "blur" },
           {validator: checkMobile,trigger: "blur"}
        ],
      },
       //修改用户表单规则对象
       editFormRules:{
         email:[
            { required: true, message: "请输入邮箱", trigger: "blur" },
           {validator: checkEmail,trigger: "blur"}
         ],
         mobile:[
           { required: true, message: "请输入正确的手机号", trigger: "blur" },
           {validator: checkMobile,trigger: "blur"}
         ]
       },
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取用户列表失败！");
      }
      this.userlist = res.data.users;
      this.total = res.data.total;
      console.log(res);
    },
    //监听pagesize 改变的事件
    handleSizeChange(newSize){
        console.log(newSize);
        this.queryInfo.pagesize = newSize
        this.getUserList()
    },
    //点击切换页数 改变的事件
    handleCurrentChange(newPage){
        console.log(newPage);
        this.queryInfo.pagenum = newPage
        this.getUserList()
    },
    //监听用户状态改变
   async  userStateChanged(userinfo){
        console.log(userinfo);
       const {data:res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
          if (res.meta.status !== 200) {
              userinfo.mg_state = !userinfo.mg_state
        return this.$message.error("更新状态失败！");
      }
        this.$message.success('更新用户状态成功')
    //    console.log(res);
    },

    //关闭添加用户对话框重置
    addDialogClosed(){
      this.$refs.addFormRef.resetFields();
    },
    //添加用户确定按钮事件
   async addUser(){
      this.$refs.addFormRef.validate(value=>{
        if(!value)return;
        //通过预校验则发起添加用户请求
      })
       const {data:res} = await this.$http.post('users',this.addForm)
        if(res.meta.status !== 201) return this.$message.error(res.meta.msg);
       this.$message.success('添加用户成功');
       //隐藏对话框
        this.dialogVisible = false;
        //重新获取用户列表数据
        this.getUserList();
    },
    //展示编辑用户对话框
    async showEditDialog(id){
      console.log(id);
      const {data:res} = await this.$http.get('users/'+ id)
         if(res.meta.status !== 200){
           return this.$message.error(res.meta.msg);
         } 
        this.editForm = res.data
        console.log(res.data);
      this.dialogVisible1 = true
    },
    //监听用户修改资料对话框的关闭事件
    editDialogClosed(){
       this.$refs.editFormRef.resetFields();
    },
    editUserInfo(){
      this.$refs.editFormRef.validate(async value=>{
        if(!value)return;
        //通过预校验则发起修改用户请求
         const {data:res} = await this.$http.put('users/'+this.editForm.id,{
           email:this.editForm.email,
           mobile:this.editForm.mobile,
         })
        if(res.meta.status !== 200) return this.$message.error(res.meta.msg);
       
       //关闭对话框
      this.dialogVisible1 = false;
      //刷新数据列表
      this.getUserList();
      this.$message.success('修改成功');
      })
      
    },
    //删除用户提示
      open(id) {
        this.$confirm('此操作将永久该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(async() => {
         const{data:res} = await this.$http.delete('users/'+id)
          if(res.meta.status !== 200) {return this.$message.error(res.meta.msg)};
         console.log(res);
         //重新获取用户列表数据
         this.getUserList();
          this.$message({
            type: 'success',
            message: '删除成功!'
          });
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          });          
        });
      },
      //展示分配角色对话框
     async setRole(userInfo){
        //获取所有角色列表
          const {data:res} =  await this.$http.get('roles')
          if (res.meta.status !== 200) {
        return this.$message.error("获取角色列表失败！");
      }
      this.rolesList = res.data
      console.log(res.data);
        this.userInfo = userInfo 
        this.dialogVisible2 = true
      },
      //点击按钮，分配角色
     async savaRoleInfo(){
        if (!this.selectedRoleId) {
           return this.$message.error("请选择分配角色");
        }
       const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,
        {
          rid:this.selectedRoleId
        })
         if(res.meta.status !== 200) {return this.$message.error(res.meta.msg)};
           this.$message.success('设置角色成功');
           this.getUserList();
           this.dialogVisible2 = false
        console.log(res);
      },
      
      //重置下拉框
      setRoleDialog(){
        this.selectedRoleId = ''
        this.userInfo = {}
      },
  },
};
</script>
<style lang="less" scoped>
</style>